import Vue from 'vue'
import VueRouter from 'vue-router'
/* 实现懒加载模式 */
// import Login from '../components/Login.vue'
const Login = () => import(/* webpackChunkName: "login_home_welcome" */ './components/Login.vue')
// import Home from '../components/Home.vue'
const Home = () => import(/* webpackChunkName: "login_home_welcome" */ './components/Home.vue')
// import Welcome from '../components/Welcome.vue'
const Welcome = () => import(/* webpackChunkName: "login_home_welcome" */ './components/Welcome.vue')

// import Users from '../components/user/Users.vue'
const Users = () => import(/* webpackChunkName: "Users_Rights_Roles" */ './components/user/Users.vue')
// import Rights from '../components/power/Rights.vue'
const Rights = () => import(/* webpackChunkName: "Users_Rights_Roles" */ './components/power/Rights.vue')
// import Roles from '../components/power/Roles.vue'
const Roles = () => import(/* webpackChunkName: "Users_Rights_Roles" */ './components/power/Roles.vue')

// import Cate from '../components/goods/Cate.vue'
const Cate = () => import(/* webpackChunkName: "Cate_Params" */ './components/goods/Cate.vue')
// import Params from '../components/goods/Params.vue'
const Params = () => import(/* webpackChunkName: "Cate_Params" */ './components/goods/Params.vue')

// import GoodsList from '../components/goods/List.vue'
const GoodsList = () => import(/* webpackChunkName: "GoodsList_Add" */ './components/goods/List.vue')
// import Add from '../components/goods/Add.vue'
const Add = () => import(/* webpackChunkName: "GoodsList_Add" */ './components/goods/Add.vue')

// import Order from '../components/order/Order.vue'
const Order = () => import(/* webpackChunkName: "Order_Report" */ './components/order/Order.vue')
// import Report from '../components/report/Report.vue'
const Report = () => import(/* webpackChunkName: "Order_Report" */ './components/report/Report.vue')


Vue.use(VueRouter)

const routes = [
  { path: '/', redirect: '/login' },
  { path: '/login', component: Login },
  { path: '/home', component: Home ,
    redirect: '/welcome',
    children:[
    {path: '/welcome', component: Welcome},
    {path: '/users' , component:Users},
    {path: '/rights' , component:Rights},
    {path: '/roles' , component:Roles},
    {path: '/categories' , component:Cate},
    {path: '/params' , component:Params},
    {path: '/goods' , component:GoodsList},
    {path: '/goods/add' , component:Add},
    {path: '/orders' , component:Order},
    {path: '/reports' , component:Report},

  ]
  }
]

const router = new VueRouter({
  routes
})

//挂载路由导航
router.beforeEach((to, from, next) => {
  //to 将要访问的路径
  //from 代表从哪个路径跳转而来
  //next是一个函数，代表放行
  //  next()代表放行  next('/login') 强制跳转

  if (to.path == '/login') return next()
  //获取token
  const tokenStr = window.sessionStorage.getItem("token");
  if (!tokenStr) return next('/login')
  next()

})


export default router
